NHA EKG (CET) Study Guide (2021)
Questions And Answers 100% Verified.
What action should the technician instruct the patient to take if any electrodes become
loose during at-home use of an ambulatory monitor? - correct answer. Apply
surgical tape to the electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle? - correct answer.
Leads III and AVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a
ventricular rate between 20-40/mins? - correct answer. Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle? - correct
answer. Leads I, V6, AVL, and V5
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor? - correct answer. on the right shoulder, the left shoulder, and
the left abdomen
An EKG technician is performing a stress test for a patient. What changes indicate that
the patient is beginning to show signs of myocardial ischemia? - correct answer.
Depressed ST segment
What leads are bipolar? - correct answer. Leads I, II, and III
What is the expected reference range for respiratory rate of a newborn patient? -
correct answer. 30-49/min
An EKG technician is providing instructions for a patient who is scheduled for an
exercise stress test. What instructions should technician include? - correct answer.
"You should avoid wearing shoes with high heels for this test."
An EKG technician is preparing a patient for an exercise stress test. What statement
should the technician make before this test? - correct answer. "This procedure
requires informed consent."
What is the final step when applying a Holter monitor? - correct answer. Document
the procedure in the patient's health record
, An EKG technician prior to an exercise stress test. What statement by the patient
indicates an understanding of the preparation? - correct answer. "I can smoke the
night before the exam."
A patient has a prescription to wear a Holter monitor for 24 hrs. What statement made
by the patient indicates an understanding of home care instructions? - correct answer.
"I should record spontaneous symptoms unrelated to an activity."
After turning on the AED and attaching the AED to the patient, what should be done
next? - correct answer. Stand clear from the patient and allow the AED to analyze
In a healthy adult patient, what is the expected shape and direction of the P wave in
lead II? - correct answer. rounded and upright
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test? - correct answer. "Refrain from caffeine, smoking, or
alcohol for at least 3 hours prior to the test."
What lead is created between the left arm and left leg? - correct answer. Lead III
What speed setting should the technician use for a standard 12-lead EKG for a patient
experiencing an accelerated junctional rhythm? - correct answer. 25mm/second
(a patient experiencing accelerated junctional rhythm has a heart rate of 60-100 min)
An EKG technician is called to the emergency department to perform a standard 12-
Lead EKG on a patient. When the technician arrives, the patient is attached to a 5-lead
monitor. What action should the technician take? - correct answer. Remove the
electrodes for the 5-lead monitor before attaching the electrodes for the 12-lead EKG
The sinus arrest is considered a medical emergency when the arrest reaches what
duration? - correct answer. 6 seconds
What is the best method for an EKG technician to use when removing hair from
electrode placement? - correct answer. Clippers
What electrode is placed to the right of the patients sternum at the fourth intercostal
space? - correct answer. Lead V1
What three leads are placed at the same horizontal level? - correct answer. Leads
V4, V5, and V6
An interrupted baseline is most likely cased by______ - correct answer. Lead
corrosion
Questions And Answers 100% Verified.
What action should the technician instruct the patient to take if any electrodes become
loose during at-home use of an ambulatory monitor? - correct answer. Apply
surgical tape to the electrodes to keep them in place
Which leads record activity of the inferior wall of the left ventricle? - correct answer.
Leads III and AVF
What rhythm is characterized by absent P waves, wide QRS complexes, and a
ventricular rate between 20-40/mins? - correct answer. Idioventricular rhythm
What leads record electrical activity of the lateral wall of the left ventricle? - correct
answer. Leads I, V6, AVL, and V5
In which locations should the EKG technician place the electrodes for a 3-lead
ambulatory monitor? - correct answer. on the right shoulder, the left shoulder, and
the left abdomen
An EKG technician is performing a stress test for a patient. What changes indicate that
the patient is beginning to show signs of myocardial ischemia? - correct answer.
Depressed ST segment
What leads are bipolar? - correct answer. Leads I, II, and III
What is the expected reference range for respiratory rate of a newborn patient? -
correct answer. 30-49/min
An EKG technician is providing instructions for a patient who is scheduled for an
exercise stress test. What instructions should technician include? - correct answer.
"You should avoid wearing shoes with high heels for this test."
An EKG technician is preparing a patient for an exercise stress test. What statement
should the technician make before this test? - correct answer. "This procedure
requires informed consent."
What is the final step when applying a Holter monitor? - correct answer. Document
the procedure in the patient's health record
, An EKG technician prior to an exercise stress test. What statement by the patient
indicates an understanding of the preparation? - correct answer. "I can smoke the
night before the exam."
A patient has a prescription to wear a Holter monitor for 24 hrs. What statement made
by the patient indicates an understanding of home care instructions? - correct answer.
"I should record spontaneous symptoms unrelated to an activity."
After turning on the AED and attaching the AED to the patient, what should be done
next? - correct answer. Stand clear from the patient and allow the AED to analyze
In a healthy adult patient, what is the expected shape and direction of the P wave in
lead II? - correct answer. rounded and upright
What statement should an EKG technician include when preparing a patient for an
upcoming exercise stress test? - correct answer. "Refrain from caffeine, smoking, or
alcohol for at least 3 hours prior to the test."
What lead is created between the left arm and left leg? - correct answer. Lead III
What speed setting should the technician use for a standard 12-lead EKG for a patient
experiencing an accelerated junctional rhythm? - correct answer. 25mm/second
(a patient experiencing accelerated junctional rhythm has a heart rate of 60-100 min)
An EKG technician is called to the emergency department to perform a standard 12-
Lead EKG on a patient. When the technician arrives, the patient is attached to a 5-lead
monitor. What action should the technician take? - correct answer. Remove the
electrodes for the 5-lead monitor before attaching the electrodes for the 12-lead EKG
The sinus arrest is considered a medical emergency when the arrest reaches what
duration? - correct answer. 6 seconds
What is the best method for an EKG technician to use when removing hair from
electrode placement? - correct answer. Clippers
What electrode is placed to the right of the patients sternum at the fourth intercostal
space? - correct answer. Lead V1
What three leads are placed at the same horizontal level? - correct answer. Leads
V4, V5, and V6
An interrupted baseline is most likely cased by______ - correct answer. Lead
corrosion
